Grind Curry leaves, coriander leaves and green chillies to a fine paste.
Add this paste to the Idly batter and add salt.
Heat tawa, pour batter and spread it like small thick circle.
Cook in a medium flame.
Now sprinkle few onions and gun powder / Idly milagai podi on top of batter and smear oil.
Wait for a minute, slowly flip the other side and cook for a minute.
Once roasted, remove from tawa and serve with coconut or groundnut chutney.

Variations :

You can add pudina leaves too.

Same batter can be used to prepare Kulipaniyaram after tempering with Mustard seeds and channa dal.

Veggies like grated carrots, potatoes etc can also be added for extra taste and to make more healthy for kids.